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Finding the Fourth Proportional to 3,309,348.08, 4,964,035.08 and 2,187,167.60

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Solution

The fourth proportional to 3,309,348.08, 4,964,035.08 and 2,187,167.60 is: 3,280,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,348.08 : 4,964,035.08 = 2,187,167.60 : x
  2. Step 2: Convert to fraction form
    3,309,348.08/4,964,035.08 = 2,187,167.60/x
  3. Step 3: Cross multiply
    3,309,348.08x = 4,964,035.08 × 2,187,167.60
  4. Step 4: Simplify right side
    3,309,348.08x = 10,857,176,692,239.41
  5. Step 5: Solve for x
    x = 10,857,176,692,239.41/3,309,348.08
  6. Step 6: Final answer
    x = 3,280,759.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.